ALEXANDRIA, Va., June 17 -- United States Patent no. 12,316,635, issued on May 27, was assigned to KAYAK Software Corp. (Stamford, Conn.).

"Automated bot blocking" was invented by Matthias Gunther Keller (Winchester, Mass.), Algirdas Rascius (Kaunas, Lithuania), Alexei Borisovich Fedotov (Natick, Mass.) and Darius Prakaitis (Kaunas, Lithuania).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system for limiting access to a digital resource based on detection of unauthorized scraping of the digital resource includes one or more processors configured to execute the instructions to detect, over a network, first data representing a plurality of first interactions by a client device with the digital resource hoste...